Finding the Fourth Proportional to 190,843.70, 286,265.55 and 97,531.70
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Solution
The fourth proportional to 190,843.70, 286,265.55 and 97,531.70 is: 146,297.55
Step by Step Solution
- Step 1: Write the proportion equation
190,843.70 : 286,265.55 = 97,531.70 : x - Step 2: Convert to fraction form
190,843.70/286,265.55 = 97,531.70/x - Step 3: Cross multiply
190,843.70x = 286,265.55 × 97,531.70 - Step 4: Simplify right side
190,843.70x = 27,919,965,742.94 - Step 5: Solve for x
x = 27,919,965,742.94/190,843.70 - Step 6: Final answer
x = 146,297.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.